Need help with '92 Sentra cooling fans

You filter your positive lead that goes to the radio...how do you know its those wires causing the issue?

I tried putting a filter on the radio lead and it didn't help a bit. I even powered it off a separate battery to be sure. It's coming through the antenna. I pulled back a little insulation and put a small capacitor on the

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It probably won't work. Some of the noise is at the desired frequency. The CB/Ham equipment has noise filters that don't eliminate it. It also has to be able to handle up to 600 watts on transmit without disturbing the SWR. I need to eliminate it at the source. I had a similar problem with noise from the transmission control module in my van. A carefully chosen and placed capacitor all but eliminated the problem without interfering with the vehicle operation. That's what I need here.

Chris

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Well, I found a diagram at the library. Since none of the fan wires go to the computer, I put capacitors between green and gnd and yellow and gnd. I now have a quiet CB receive.

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